Illena Klassen, LCSW
NPI 1316190192 · Clinical Social Worker · Littleton, CO
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Illena Klassen, LCSW is a Clinical Social Worker provider in Littleton, CO (NPI 1316190192).
Provider details
- NPI number
- 1316190192
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 905 (CO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 2955 S BroadwayEnglewood, CO 80113-1526Phone: (303) 338-4545
Registry dates
- Enumerated
- 2008-10-24
- Last updated
- 2022-07-21
- Certified
- 2022-02-03
Frequently asked questions
- What is Illena Klassen's NPI number?
- Illena Klassen's National Provider Identifier (NPI) is 1316190192, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Illena Klassen's specialty?
- Illena Klassen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Illena Klassen located?
- Illena Klassen's practice location on file with NPPES is 5257 S Wadsworth Blvd, Littleton, CO 80123-2228.
- What is Illena Klassen's phone number?
- The practice phone number listed in the NPPES registry for Illena Klassen is (303) 338-4545.
- Does Illena Klassen accept Medicare?
- Illena Klassen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Illena Klassen's NPI active?
- Yes — Illena Klassen's NPI (1316190192) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.